PHYSICAL REVIEW LETTERS

= 3 GeV. The Stanford Linear Accelerator Laboratory results of e+e -l+l +missing energy can be explained as e', e' production followed by decays to ev, , JU, v&, or their antiparticles. The v, ' would be absolutely stable and escape detection. The decay of the v"' requires a mixing of either v&' or p. ' with lighter leptons.The charmed quark c will decay preferably to the p quark through the enhanced J'J'" interaction. Leptonic decays of the cn can then account for the dileptonic events seen at FNAL. The heavy pseudoscalars A. 'n, c'c, etc. , will decay via the enhanced O'J to other heavy mesons. The P'n, , n,'n, etc. , decay via the weaker interactions such as O'J', J Js or O'K', J'I . The model also in general predicts CP nonconservation by virture of the fact that J', J' are CP even while J is CP odd, so that terms linear in J' do not conserve CP. This point will be discussed in a longer paper under preparation.

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